Mein Kampf described Hitler's extreme nationalist feeling, and anger toward Jews, and Germans when read it believed he had the best intentions because they trusted his view of the story.
But that was the problem with nationalism: there is always two sides of the story.Just like the Germans, Jews were also just trying to raise their kids and have a prosperous life.
The American president Donald Trump is also a nationalist, who has the best intentions for his country.
Trump believes that the country will be better off without foreigners, and that immigration in the USA should end in order for Americans to have more opportunities.
Trump's latest idea was to send back all international students that are not required to be in classes due to the pandemic. On his view "Why should they stay here?"
Online classes only due to Covid-19
The other side of the story says that they should stay here because diversity is what has always made the country so great; they should stay because they have a life here, they should stay because they bring billions of dollars every year to the country, they should stay because they love this country and there is a opportunity to everyone under the sun.